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2021 BMW 740i Maintenance guide

v1.0Updated Jun 4, 2026·Ethan Miller4 Sources Analyzed1 Critical Recalls
MAINTENANCE SUMMARY

The 2021 BMW 740i offers a good reliability verdict with a 7.2 LLM score. Owners should prioritize ensuring software updates for the starter assembly and rearview camera recalls are completed, as the starter issue carries a potential fire risk.

Powertrain: Plug-in Hybrid (PHEV)

View Critical Issue: Starter Assembly and ECM Software
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Reliability Score

8.3/ 10

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

1 TSBs | 4 Recalls

SummaryMaintenance & CostsCommon FailuresSymptoms & PreventionKeep ReadingFAQSources

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Key Takeaways

  • The 2021 BMW 740i has a 'Good' reliability verdict.
  • No owner complaints were logged, but two significant recalls exist.

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Critical service intervals
Common failure analysis
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MethodologyHow we score →

Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.

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Quick links for routine service and common repair parts.

  • 5W-30 Synthetic Engine Oil
  • Oil Filter
  • Cabin Air Filter
  • Synthetic Engine Oil
  • Engine Air Filter

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